I personally don't see the need for women's sizes (I am also female). Knowing they are men's sizes, just order smaller. The Race Expo has a lot of other GREAT PPA/PPM apparel choices that can fill in any gap. :)
In response to:
I am wondering why the race can't provide women's shirts. They are men's sizes and they are so big for most women. We pay the same fee and deserve a women's cut shirt that fits. Race entry closes way before the race date which give race officials a lot of time to order exact sizes. Come on race officials how about it??